APA ציטוט

Fritz Machlup. (1983). The study of information: Interdisciplinary messages. New York: John Wiley.

Trích dẫn kiểu Chicago

Fritz Machlup. The Study of Information: Interdisciplinary Messages. New York: John Wiley, 1983.

ציטוט MLA

Fritz Machlup. The Study of Information: Interdisciplinary Messages. New York: John Wiley, 1983.